Re: [PATCH 1/2] mm/debug_vm_pgtable/basic: Add validation for dirtiness after write protect

2020-11-27 Thread Christophe Leroy
Le 27/11/2020 à 06:06, Anshuman Khandual a écrit : This adds validation tests for dirtiness after write protect conversion for each page table level. This is important for platforms such as arm64 that removes the hardware dirty bit while making it an write protected one. This also fixes pxx_wr

Re: [PATCH 1/2] mm/debug_vm_pgtable/basic: Add validation for dirtiness after write protect

2020-11-27 Thread Catalin Marinas
On Fri, Nov 27, 2020 at 09:22:24AM +0100, Christophe Leroy wrote: > Le 27/11/2020 à 06:06, Anshuman Khandual a écrit : > > This adds validation tests for dirtiness after write protect conversion for > > each page table level. This is important for platforms such as arm64 that > > removes the hardwa

Re: [PATCH 1/2] mm/debug_vm_pgtable/basic: Add validation for dirtiness after write protect

2020-11-29 Thread Anshuman Khandual
On 11/27/20 3:14 PM, Catalin Marinas wrote: > On Fri, Nov 27, 2020 at 09:22:24AM +0100, Christophe Leroy wrote: >> Le 27/11/2020 à 06:06, Anshuman Khandual a écrit : >>> This adds validation tests for dirtiness after write protect conversion for >>> each page table level. This is important for p

Re: [PATCH 1/2] mm/debug_vm_pgtable/basic: Add validation for dirtiness after write protect

2020-11-30 Thread Catalin Marinas
On Mon, Nov 30, 2020 at 09:55:00AM +0530, Anshuman Khandual wrote: > On 11/27/20 3:14 PM, Catalin Marinas wrote: > > On Fri, Nov 27, 2020 at 09:22:24AM +0100, Christophe Leroy wrote: > >> Le 27/11/2020 à 06:06, Anshuman Khandual a écrit : > >>> This adds validation tests for dirtiness after write p

Re: [PATCH 1/2] mm/debug_vm_pgtable/basic: Add validation for dirtiness after write protect

2020-11-30 Thread Anshuman Khandual
On 11/30/20 3:08 PM, Catalin Marinas wrote: > On Mon, Nov 30, 2020 at 09:55:00AM +0530, Anshuman Khandual wrote: >> On 11/27/20 3:14 PM, Catalin Marinas wrote: >>> On Fri, Nov 27, 2020 at 09:22:24AM +0100, Christophe Leroy wrote: Le 27/11/2020 à 06:06, Anshuman Khandual a écrit : > This

Re: [PATCH 1/2] mm/debug_vm_pgtable/basic: Add validation for dirtiness after write protect

2020-11-30 Thread Catalin Marinas
On Mon, Nov 30, 2020 at 04:28:20PM +0530, Anshuman Khandual wrote: > On 11/30/20 3:08 PM, Catalin Marinas wrote: > > On Mon, Nov 30, 2020 at 09:55:00AM +0530, Anshuman Khandual wrote: > >> On 11/27/20 3:14 PM, Catalin Marinas wrote: > >>> On Fri, Nov 27, 2020 at 09:22:24AM +0100, Christophe Leroy w